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b. Ensure that the L1 pairs are split (status = PSUS).
c. In the Select MU list, select the MU number (1 or 2) for the L2 pair to be created.
d. From the Pairsplit Volume List, select the volume to assign as the S-VOL for the L2 pair.
e. Click Cascade to add the L2 S-VOL to the selected L1 pair. The new L2 pair is now displayed.
f. To add another L2 S-VOL to the same L1 pair, repeat step 7b — step 7e. Each L2 pair to be
created and split is displayed separately in the list of pairs.
8. Repeat step 7 until the pairs are displayed. Click Change to replace S-VOLs, click Cascade to add L2
S-VOLs, and use the Delete command to remove pairs.
9. When the Pairsplit window displays the L1 and L2 pairs, click OK to reflect the settings to the Preset
Volume list on the BC main screen.
10. In the BC main screen, click Apply to create and split the pairs.
When the pairsplit operations start, the BC main screen shows new pairs with COPY(SP) or PSUS(SP)
status.
11 . Click Refresh () to monitor the progress of the pairsplit operations.
Resynchron
izing BC pairs (Pairresync)
The Pairre
sync window displays pair information for pairs selected on the BC main screen. Use the
Pairresync window to resynchronize pairs. To open the Pairresync window, select one or more PSUS or
PSUE pairs in the Volume list on the BC main screen, right-click the selected pair, and select Pairresync.
Figure 36 Pairresync window
The Pairresync window consists of the following components.
Pairresync Volume List
TheVolumeListlocatedontheuppersideofthePairresyncwindowdisplaysthefollowinginformation
about the P-VOL and S-VOL of the pair you want to resynchronize:
• Port: Port ID (cluster and channel number) of the P-VOL
• Group (G-ID):HostgroupIDoftheP-VOL
• (Path) LUN:CU:LDEVoftheP-VOL
NOTE:
An LDEV number ending with # (for example, 00:01#) indicates the LDEV is an external volume.
• MU:MUnumberoftheP-VOL
• Status: Status of the P-VOL
• Port: Port ID (cluster and channel number) of the first S-VOL of each volume pair
• Group (G-ID):HostgroupIDoftheS-VOL
• SvolMode (LUN(S)):CU:LDEVoftheS-VOL
NOTE:
An LDEV number ending with # (for example, 00:01#)indicates the LDEV is an external volume.
• Type: Emulation type of the P-VOL and S-VOL
• Capacity (MB): Volume capacity displayed in megabytes (MB)
• CLPR(P): Cache logical partition of the P-VOL
Business Copy XP user guide
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